Overview
The AD7892ARZ-2 is a high-speed, low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single +5 V supply and features a successive approximation ADC with an on-chip track/hold amplifier and an internal +2.5 V reference. The AD7892ARZ-2 is part of the AD7892 family, which offers versatile interface structures allowing both serial and parallel connections to microprocessors and digital signal processors.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Conversion Rate | 600 kSPS |
| Supply Voltage | +5 V |
| Analog Input Range | ±10 V, ±5 V, 0 V to +2.5 V, ±2.5 V (depending on the model variant) |
| Overvoltage Protection | Up to ±17 V or ±7 V (depending on the input range) |
| Data Output Format | Parallel (12-bit word) or Serial |
| Package Type | 20-Lead SOIC (Wide) |
| Operating Temperature Range | Varies by package (e.g., -40°C to +85°C for some variants) |
Key Features
- True bipolar input capability
- On-chip track/hold amplifier and internal +2.5 V reference
- Fast bus access times and standard control inputs for easy parallel interface to microprocessors and digital signal processors
- High-speed serial interface for direct connection to microcontrollers and digital signal processors
- Dynamic performance specifications including harmonic distortion and signal-to-noise ratio
- Fabricated in Analog Devices' Linear Compatible CMOS (LC²MOS) process, combining precision bipolar circuits with low-power CMOS logic
Applications
The AD7892ARZ-2 is suitable for a variety of applications requiring high-speed, low-power analog-to-digital conversion. These include:
- Industrial process control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems requiring high-speed data acquisition
- Test and measurement instruments
Q & A
- What is the resolution of the AD7892ARZ-2?
The AD7892ARZ-2 has a resolution of 12 bits.
- What is the conversion rate of the AD7892ARZ-2?
The conversion rate is 600 kSPS.
- What is the supply voltage for the AD7892ARZ-2?
The supply voltage is +5 V.
- What are the available analog input ranges for the AD7892ARZ-2?
The available analog input ranges include ±10 V, ±5 V, 0 V to +2.5 V, and ±2.5 V, depending on the model variant.
- Does the AD7892ARZ-2 have overvoltage protection?
Yes, it has overvoltage protection up to ±17 V or ±7 V depending on the input range.
- What data output formats are available for the AD7892ARZ-2?
The data output formats include parallel (12-bit word) and serial.
- In what package type is the AD7892ARZ-2 available?
The AD7892ARZ-2 is available in a 20-Lead SOIC (Wide) package.
- What is the operating temperature range for the AD7892ARZ-2?
The operating temperature range varies by package but typically includes -40°C to +85°C for some variants.
- What process is the AD7892ARZ-2 fabricated in?
The AD7892ARZ-2 is fabricated in Analog Devices' Linear Compatible CMOS (LC²MOS) process.
- What are some typical applications for the AD7892ARZ-2?
Typical applications include industrial process control systems, medical devices, aerospace and defense systems, automotive systems, and test and measurement instruments.
